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Winn, Lisa A.. Rock Creek Region Assessment and Action Plan. [Roseburg, Or.?]: Umpqua Basin Watershed Council, 2006.
Wigington Jr., P. J., J. L. Ebersole, J. P. Baker, M. R. Church, J. E. Compton, S. G. Leibowitz, D. White, and M. A. Cairns. Landscape and Watershed Influences on Wild Salmon and Fish Assemblages in Oregon Coastal Streams In EPA/600/R/. Vol. no.03/081., 2003.
Wiedemann, Alfred M.. The ecology of Pacific Northwest coastal sand dunes : a community profile In FWS/OBS. Vol. no.84/04., 1984.
Whiting, Allan. Sutherlin Creek Watershed Assessment. [Salem, Or.?]: Dept. of Environmental Quality, 2001.
Wellman, Roy E., Janice M. Gordon, and Robert L. Moffatt. Statistical summaries of streamflow data in Oregon: volume 2, annual low and high flow, and instantaneous peak flow In Open-File Report / U.S. Geological Survey. Portland, Or.: U.S. Geological Survey, 1993.
Wallick, Rose J., Jim E. O'Connor, Scott W. Anderson, Mackenzie Keith, Charles Cannon, and John C. Risley. Channel change and bed-material transport in the Umpqua River Basin, Oregon In U.S. Geological Survey Open-File Report. Vol. no.2010-1314. Reston, Va.: U.S. Geological Survey, 2010.
Wallick, Rose J., Jim E. O'Connor, Scott W. Anderson, Mackenzie Keith, Charles Cannon, and John C. Risley. Channel change and bed-material transport in the Umpqua River Basin, Oregon In Scientific Investigations Report . Vol. no. 2011-5041. Reston, Va.: U.S. Geological Survey, 2011.
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United States. Army. Corps of Engineers. Portland District. Umpqua River and Tributaries, Oregon: Review of Survey Report: Transcript of Public Hearing. [Portland, Or.]: U.S. Army Corps of Engineers, Portland District, 1957.
Umpqua National Forest. Tiller Ranger District. Jackson Creek Watershed Analysis. Umpqua National Forest, 1995.
[Umpqua Basin Watershed Council Final Report(s), Annual]., 2001.
U.S. Soil Conservation Service, U.S. Forest Service, and North Douglas Soil and Water Conservation District. Watershed Work Plan, Sutherlin Creek Watershed, Douglas County, Oregon. [Portland?]: Soil Conservation Service, 1963.
U.S. Senate. Authorizing preliminary examination of Umpqua River, Oreg., with view to control of floods In 74th Congress, 1st Session, Senate Report., 1935.
U.S. Geological Survey. Water Resources Division. Surface Water Records of Oregon. Portland, Or.: U.S. Geological Survey, Water Resources Division, 1964.
U.S. Forest Service. Pacific Northwest Region, U.S. Bureau of Land Management. Roseburg District Office, and Oregon. State Parks and Recreation Dept.. North Umpqua Wild and Scenic River Environmental Assessment., 1992.
U.S. Forest Service. Pacific Northwest Region. North Umpqua River Management Plan [microform]. Portland, Or.?: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region?, 1992.
U.S. Forest Service, and U.S. Bureau of Land Management. Roseburg District Office. Smith River Watershed Analysis. [Or.?]: U.S. Forest Service, U.S. Bureau of Land Management, 1997.
U.S. Federal Energy Regulatory Commission. Office of Energy Projects. Final Environmental Impact Statement: North Umpqua Hydroelectric Project (no. 1927), Oregon. Washington, D.C.: Federal Energy Regulatory Commission, Office of Energy Projects, 2003.
U.S. Federal Emergency Management Agency.,. Flood Insurance Study: Douglas County, Oregon and Incorporated Areas. v.3 of 3., 2021.
Flood Insurance Study: Douglas County, Oregon and Incorporated Areas. v.1 of 3., 2021.
U.S. Federal Emergency Management Agency.,. Flood Insurance Study: Douglas County, Oregon and Incorporated Areas. v.2 of 3., 2021.
U.S. Dept. of the Interior. Bureau of Land Management. BLM Addendum for Lower North Umpqua Watershed Assessment: Fifth Field Watershed., 2003.
U.S. Bureau of Land Management. Roseburg District Office. South River Watershed Restoration Environmental Assessment. Roseburg, Or., 2000.
U.S. Army Corps of Engineers. Portland District. Western Oregon Streams: Report on Floods of December 1955. Portland, Or.: U.S. Army Corps of Engineers. Portland District,, 1956.

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